Sidewall for a bottle



FIG. 1 is a top and side perspective view of a sidewall for a bottle showing my new design;

FIG. 2 is a front elevation thereof, the rear and side elevations are the same;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan.

The broken lines showing the bottle neck and base are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a sidewall for a bottle, as shown and described. 